We're doing a unnecessary extra lookup of the ino cache's
inode when we already have it (and holding a reference)
during the process of saving the ino cache contents to disk.
Therefore remove this extra lookup.
Signed-off-by: Filipe David Borba Manana <fdmanana@xxxxxxxxx>
---
fs/btrfs/free-space-cache.c | 9 ++-------
fs/btrfs/free-space-cache.h | 3 ++-
fs/btrfs/inode-map.c | 2 +-
3 files changed, 5 insertions(+), 9 deletions(-)
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 4f419ba..38e3779 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -2969,19 +2969,15 @@ out:
int btrfs_write_out_ino_cache(struct btrfs_root *root,
struct btrfs_trans_handle *trans,
- struct btrfs_path *path)
+ struct btrfs_path *path,
+ struct inode *inode)
{
struct btrfs_free_space_ctl *ctl = root->free_ino_ctl;
- struct inode *inode;
int ret;
if (!btrfs_test_opt(root, INODE_MAP_CACHE))
return 0;
- inode = lookup_free_ino_inode(root, path);
- if (IS_ERR(inode))
- return 0;
-
ret = __btrfs_write_out_cache(root, inode, ctl, NULL, trans, path, 0);
if (ret) {
btrfs_delalloc_release_metadata(inode, inode->i_size);
@@ -2992,7 +2988,6 @@ int btrfs_write_out_ino_cache(struct btrfs_root *root,
#endif
}
- iput(inode);
return ret;
}
diff --git a/fs/btrfs/free-space-cache.h b/fs/btrfs/free-space-cache.h
index e737f92..ba8d5a1 100644
--- a/fs/btrfs/free-space-cache.h
+++ b/fs/btrfs/free-space-cache.h
@@ -76,7 +76,8 @@ int load_free_ino_cache(struct btrfs_fs_info *fs_info,
struct btrfs_root *root);
int btrfs_write_out_ino_cache(struct btrfs_root *root,
struct btrfs_trans_handle *trans,
- struct btrfs_path *path);
+ struct btrfs_path *path,
+ struct inode *inode);
void btrfs_init_free_space_ctl(struct btrfs_block_group_cache *block_group);
int __btrfs_add_free_space(struct btrfs_free_space_ctl *ctl,
diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c
index d11e1c6..b863e45 100644
--- a/fs/btrfs/inode-map.c
+++ b/fs/btrfs/inode-map.c
@@ -503,7 +503,7 @@ again:
}
btrfs_free_reserved_data_space(inode, prealloc);
- ret = btrfs_write_out_ino_cache(root, trans, path);
+ ret = btrfs_write_out_ino_cache(root, trans, path, inode);
out_put:
iput(inode);
out_release:
--
1.7.9.5
--
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